Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9050681 | Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe | Hideki Hamatani, Shinji Kodama, Nobuo Mizuhashi, Sunao Takeuchi, Takashi Miyakawa +3 more | 2015-06-09 |